The separation of photosynthetic processes in cam plants depends on the time of day, a process known as ____________ .
Answers
The separation of photosynthetic processes in CAM plants depends on the time of day, a process known as Diurnal Regulation.
The separation of photosynthetic processes in CAM (Crassulacean Acid Metabolism) plants depends on the time of day, a process known as "Temporal or Diurnal Regulation." CAM plants have evolved a unique adaptation to arid environments, where they open their stomata at night to minimize water loss through transpiration. During the night, CAM plants take in carbon dioxide and convert it into an organic acid, which is stored in vacuoles. Then, during the day, when the stomata are closed to reduce water loss, the stored organic acids are broken down, releasing carbon dioxide for photosynthesis.This temporal regulation allows CAM plants to efficiently use available resources and survive in water-limited environments.
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Related Questions
What substances are combined with sunlight in the process of photosynthesis?
A. carbon dioxide and water
B. water and simple sugar
C. carbon dioxide and oxygen
D. oxygen and simple sugar
Answers
Answer:
A. carbon dioxide and water
In both meiosis and mitosis of eukaryotic cells, the nuclear dna is separated appropriately so that new cells end up with the correct number and type of chromosomes; however some of the dna in the cell is randomly assorted into the newly formed cells. This type of dna would most likely belong to which organelles?.
Answers
The nuclear DNA is correctly divided during cellular division but the DNA found in the mitochondrial and chloroplasts is distributed randomly among the newly created cells.
The process of creating clones from the mother cell is known as cell division. Meiosis and mitosis are two of the primary kinds of cell division. Meiosis is the mitotic cell reproduction that only happens in germline cells, whereas mitosis is the function reproduction that happens in all kinds of cells. Following the nuclear division of a cell (karyokinesis), the cytoplasm divides (cytokinesis). In karyokinesis, part of the DNA is randomly inserted into the newly produced cells while the nuclear DNA splits properly into the two daughters cells. Chloroplasts and mitochondria both contain this DNA. The DNA of mitochondria and plastids resembles that of prokaryotic cells. These organelles are referred regarded as semi-autonomous organelles since they contain their own DNA.
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Answer: mitochondria and chloroplasts! I just answered this one hope it helps... :)
Explanation:
What is an allergic reaction ?
Answers
Answer:
Allergies are your body’s reaction to a substance it views as a harmful
Explanation:
“invader.” For example, coming into contact with what is normally a harmless substance, such as pollen, might cause your immune system (your body’s defense system) to react. Substances that cause these reactions are called allergens.
yang zhang, ph.d. university of michigan toward the solution of the protein structure prediction problem
Answers
Yang Zhang's work at the University of Michigan focuses on developing computational methods to predict protein structures, which has broad applications in various scientific fields. This research aims to enhance our understanding of proteins and their functions.
Yang Zhang, with a Ph.D. from the University of Michigan, is working on finding a solution to the protein structure prediction problem. This problem involves determining the three-dimensional arrangement of atoms in a protein molecule based on its amino acid sequence.
Solving this problem is crucial because understanding protein structures helps in various fields like drug design, enzyme engineering, and understanding diseases at a molecular level.
To predict protein structures, scientists use computational methods that rely on mathematical models and algorithms. These methods take into account the principles of physics and chemistry to simulate how a protein might fold into its three-dimensional shape. By comparing these simulations with experimental data, researchers can refine their models and improve the accuracy of their predictions.
This research area is challenging due to the vast number of possible protein structures and the complex interactions between amino acids. However, advancements in computer power and algorithms have significantly improved the accuracy of protein structure predictions in recent years.
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which medication prevents the binding of human immunodeficiency virus (hiv) to a client’s cells?
Answers
Maraviroc and Enfuvirtide medication prevents the binding of human immunodeficiency virus (hiv) to a client’s cells.
A virus known as HIV (human immunodeficiency virus) targets the immune system of the body. AIDS can develop if HIV is not treated (acquired immunodeficiency syndrome). There isn't a reliable treatment available right now. When someone contracts HIV, they are permanently infected. However, HIV can be managed with the right medical attention. When receiving appropriate HIV therapy, people with HIV can lead long, healthy lives and safeguard their partners.
A particular chimpanzee species in Central Africa is where humans first contracted HIV. According to studies, HIV may have spread from chimpanzees to people as early as the late 1800s. The virus that affects chimpanzees is known as simian immunodeficiency virus.
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NEED HELP ASAP GIVE 50 POINTS!!!
Which organisms have cells that use mitochondria to release energy stored in food?
A: Self feeders
B: Neither self feeders nor other feeders'
C: Other feeders
D: Both
Answers
Answer:
A. self feeders
Explanation:
Adenosine triphosphate (ATP) uses mitochondria to release energy stored in food. Most autotrophs (self feeders) use energy from the sun during photosynthesis.
Explain how the moon causes high and low tides.
Answers
3. How does the chemical makeup of old stars differ from that of new stars?
Answers
Answer:
Older, population II stars have substantially less metallicity than the younger, population I stars due to the composition of the molecular clouds from which they formed. Over time, such clouds become increasingly enriched in heavier elements as older stars die and shed portions of their atmospheres.
Explanation:
if it helped u please mark me a brainliest :))
The older, population of stars have considerably less metallicity than the new stars, population of star due to the composition of the molecular clouds from which they formed.
Why does chemical composition of stars changes?Chemical composition of stars changes over the time due to the changes in their constituent elements during their life span accordingly by burning hydrogen (major sequence star), then horizontal branch star helium, and increasingly burning higher elements.
The stars observed in the galaxy are chemically very alike to the Sun, about 24 percent helium, 74 percent hydrogen, and 2 percent of all other elements.
Therefore, over time, such clouds become increasingly enriched in heavier elements as older stars die and shed portions of their atmospheres.
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A diagram of the DNA strand is provided. The arrow is pointing to which component of the
DNA strand?
Phosphates
Deoxyribose
Nitrogenous bases
Nucleotide
Answers
Answer: Nitrogenous Bases
Explanation:
Look at the ocean system below.
plankton - shrimp - salmon - humans
What will most likely happen if the plankton population decreases in this
ocean system?
• A. Humans will have more available food.
• B. The atmosphere will have more oxygen.
• C. More shrimp will move into the area.
D. It will be more difficult for salmon to find food.
Answers
Answer:
D. It will be more difficult for salmon to find food.
Explanation:
Due to the plankton population decreasing, the shrimp would have less food. When the shrimp have less food to eat, their population would also decrease.
Since the shrimp population decreased, the salmon would have less shrimp to eat, making it more difficult for them to find food.
When one thing offsets the food chain, it begins to collapse. The smallest change could have a major consequence.
yeasts can perform both aerobic respiration and fermentation. in fact, the homebrewer must be careful that oxygen is not introduced into the carboy once the yeast begin fermentation. what would be the products if o2 is allowed to enter the carboy?
Answers
Fermentation can only take place in an anaerobic environment because yeast is relatively anaerobic. When there is oxygen present, yeast engages in aerobic metabolism.
Can yeast ferment and breathe aerobically?Yeast fermentation: When oxygen is present, yeast engages in aerobic respiration, converting carbohydrates (a source of sugar) into carbon dioxide and water. In the absence of oxygen, yeast ferments carbohydrates and produces carbon dioxide.
Through the process of electron transfer and oxygen, yeast mitochondria regenerate NAD+. Alcohol and CO2 are created during the fermentation process, which essentially only takes place in the absence of oxygen (resulting in carbonation). The roommate left the bucket open to the air, which provided the yeast with an ongoing supply of oxygen.
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The Nature Conservancy forms large preserves by
a. combining donations, exchanges, and purchases of land.
b. working with the government to target land for preservation.
c. persuading businesses to donate land for parks.
d. conducting research to determine what land is suitable for preservation.
Answers
Answer:
Maybe A/B
Explanation:
The Nature Conservancy forms large preserves by combining donations,exchanges,and purchases of land.
I think it's correct?
Why don't prokaryotic cells divide through mitosis? Mitosis requires a cell membrane, and prokaryotes don't have a cell membrane. Mitosis and cytokinesis require cytoplasm, and prokaryotes don't have cytoplasm. Mitosis is division of the nucleus, and prokaryotes don't have a nucleus. Mitosis requires DNA and chromosomes, and prokaryotes don't have chromosomes.
Answers
Answer:
Prokaryotic cells, on the other hand, do not undergo mitosis and therefore have no need for a mitotic spindle.
Explanation:
which term explains a cellular extension containing a fatty substance produced by glia that surrounds and insulates axons? select the correct answer below: neurolemma myelin ganglion neurofibril
Answers
The term that explains a cellular extension containing a fatty substance produced by glia that surrounds and insulates axons is B. Myelin.
Myelin is a lipid-rich, multilayered covering produced by oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system.Myelin is important for the proper function of the nervous system since it insulates axons and speeds up the conduction of nerve impulses.
The process of myelination, which starts in the prenatal stage and continues through adolescence, plays an important role in the growth and development of the nervous system. In summary, myelin is a cellular extension containing a fatty substance produced by glia that surrounds and insulates axons. It is a crucial part of the nervous system and is important for the proper function of the nervous system. So the correct answer is B. myelin is the term that explains a cellular extension containing a fatty substance produced by glia that surrounds and insulates axons.
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When a stop codon is in place at the ribosomal A site, _____ binds to the site instead of a new aminoacyl-tRNA.
Answers
When a stop codon is in place at the ribosomal A site, release factor binds to the site instead of a new aminoacyl-tRNA.
A stop codon is a trinucleotide sequence of three nucleotides found in messenger RNA (mRNA) or DNA that instructs the cell to stop production of proteins. There are 64 distinct trinucleotide codons; 61 of these designate amino acids, while the remaining three—UAA, UAG, and UGA—are stop codons.
A stop codon, also known as a termination codon, is a codon (nucleotide triplet inside messenger RNA) that marks the end of the current protein's translation process in molecular biology, more especially in protein biosynthesis. Stop codons signal the end of this process by binding release factors, which cause the ribosomal subunits to dissociate and release the amino acid chain, as opposed to the majority of messenger RNA codons, which correspond to the addition of an amino acid to a growing polypeptide chain, which may eventually become a protein.
A stop codon alone is enough to start termination, but start codons require surrounding sequences or initiation elements to begin translation.
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5b
3. Fruit flies are organisms commonly used in genetic studies. They reproduce pickly
and have several traits that can be measured. One trait is the vestigial wing (g) trait,
which is recessive. Most flies have red eyes (E), but the sepia eye (e) trait is recessive.
The image to the right shows a mutant double recessive fly (ggee).
A fly that is heterozygous for both traits (GgEe) is crossed with one that has vestigial
wings and sepia eyes (ggee).
a. Set up a Punnett square and list the phenotypic ratio of the original square
Answers
To set up a Punnett square for this cross, you would need to know the genotypes of the two parent flies. In this case, the first parent fly is heterozygous for both traits, meaning it has one dominant and one recessive allele for each trait. The genotype for this fly can be represented as GgEe. The second parent fly is homozygous recessive for both traits, meaning it has two recessive alleles for each trait. The genotype for this fly can be represented as ggee.
To set up the Punnett square, you would first draw a grid with two rows and two columns. In the top row, you would place one copy of the genotype of the first parent fly (GgEe), and in the bottom row, you would place one copy of the genotype of the second parent fly (ggee). In the first column, you would place one copy of the genotype of the first parent fly (GgEe), and in the second column, you would place one copy of the genotype of the second parent fly (ggee).
The resulting Punnett square would look like this:
| GgEe | ggee
--|------|-----
Gg| GgEe | Ggee
ee| ggEe | ggee
The phenotypic ratio of the original square would be 3:1, with 3 flies having vestigial wings and red eyes (GgEe), and 1 fly having vestigial wings and sepia eyes (ggee). This means that out of 4 offspring, 3 would have vestigial wings and red eyes, and 1 would have vestigial wings and sepia eyes.
Note that this is just the phenotypic ratio and does not take into account the probability of each genotype occurring. To calculate the probability of each genotype occurring, you would need to know the frequency of each genotype in the population.
the crispr-cas system of gene editing is based on what naturally occurring biological process?
Answers
The CRISPR-Cas system of gene editing is based on a naturally occurring biological process called the microbial immune system. CRISPR, which stands for Clustered Regularly Interspaced Short Palindromic Repeats, refers to a unique sequence of DNA found in certain microorganisms.
The CRISPR system provides these organisms with a defense mechanism against viral infections. The CRISPR-Cas system utilizes small RNA molecules as guides to target specific DNA sequences. When a foreign DNA molecule, such as that of a virus, enters the organism, the CRISPR system captures a small piece of the foreign DNA and incorporates it into the organism's own DNA. This stored information is then transcribed into small RNA molecules, called CRISPR RNAs (crRNAs), which guide the Cas proteins to recognize and cleave complementary sequences of DNA.
By adapting this natural defense mechanism, scientists have harnessed the CRISPR-Cas system for gene editing purposes. By modifying the guide RNA sequence, researchers can direct the Cas proteins to specific target genes in an organism's genome and make precise changes, such as deleting, inserting, or modifying specific DNA sequences. This revolutionary gene editing tool has revolutionized the field of genetic research and holds great potential for various applications in medicine, agriculture, and biotechnology.
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Which of the following best supports the endosymbiont theory that present-day eukaryotic cells are descendants of a successful symbiotic relationship between a host cell and an engulfed prokaryote?
A. Chloroplasts and mitochondria replicate in a similar manner as some prokaryotes.
B. Chloroplasts are necessary for photosynthesis reactions in plant and bacteria cells.
C. Mitochondria and chloroplasts are able to produce ATP molecules to be used by the cell.
D. Mitochondria use proteins and nutrients produced in other regions of the eukaryotic cell.
Answers
Answer:
A. Chloroplasts and mitochondria replicate in a similar manner as some prokaryotes
Explanation:
Endosymbiont theory deals with how eukaryotic organisms were formed from prokaryotic organisms. Prokaryotes such as Bacteria were documented as the first form of life on earth through fossil records before eukaryotes came into light.
Organelles such as Chloroplasts and mitochondria replicate in a similar manner as some prokaryotes. This supports the endosymbiont theory that present-day eukaryotic cells are descendants of a successful symbiotic relationship between a host cell and an engulfed prokaryote
increased population, a higher body temperature, and a rapidly beating heart are all possible responses to a stressful situation.these body responses are most likely a direct result of the interaction
Answers
Increased perspiration, a higher body temperature, and a rapidly beating heart are all possible responses to a stressful situation, and these body responses are most likely a direct result of the interaction of the nervous and hormonal systems.
What does the interaction of the nervous and hormonal systems mean?The interaction of the nervous and hormonal systems refers to the body process in which the expression of certain chemical messengers called hormones may control concomitant responses triggered by the nerve system, which is an organ system aimed at sensing signals from the environment in order to process them and then produce a response.
Therefore, with this data, we can see that the interaction of the nervous and hormonal systems may lead to increase perspiration, the temperature inside the body, and the heart pumps when the body is under a given stressful situation.
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What is the function of an inclined plane?
Answers
Answer:
inclined plane, simple machine consisting of a sloping surface, used for raising heavy bodies.
How did the quick-relief rescue inhaler help jaden to breathe easier at the track?
Answers
Quick relief Rescue inhalers allow a person having an asthma attack to inhale their medication. When inhaled, the medication relaxes the muscles in the airways. This causes the airways to widen, reducing breathing difficulties.
Rescue inhalers release a class of drug known as a bronchodilator, which widens or dilates the bronchioles, the body's airways. These symptoms are relieved with a rescue inhaler, which releases a drug that widens the airways. By doing so, the person is able to breathe normally again and recover from the attack.
Before working out, someone with asthma may use a rescue inhaler to avoid an attack. If their symptoms are getting worse, someone with chronic obstructive pulmonary disease (COPD) may also benefit from utilising a rescue inhaler. COPD makes breathing difficult, similar to asthma.
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Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession? A. A tornado B. A volcanic eruption C. A flood D. A drought
Answers
Answer:
b) A volcanic eruption
Explanation:
A volcanic eruption is the catastrophic event most likely will have the effect of returning an ecosystem to primary succession. Hence, option (b) is correct.
Answer:
A
Explanation:
l think bcoz volcanic eruption has to do with fire and then it effects the ecosystem and because people are examples of the ecosystem
How might photosynthesis be affected if the spongy mesophyll cells were packed closely together like the palisade mesophyll cells? Explain your answer.
Answers
Answer:
It would interfere with photosynthesis
Explanation:
Photosynthesis is a key biological process that involves the exchange of CO2 and O2 between the atmosphere and plant leaves via pores in the leaves. Spongy mesophyll tissue is packed loosely for efficient gas exchange. If they were tightly packed together it would interfere with the photosynthesis process as gas cannot be properly absorbed nor expelled.
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in 2-3 sentences, describe how the bird population changed over the 5 years of feeding and reproducing.
Answers
The bird population may have changed over the 5 years of feeding and reproducing ide to an environmental constraint that led to the increase of adaptive alleles in the new environmental conditions.
What are adaptive alleles?Adaptive alleles can be defined as gene variants that are present in the original population and they can increase their frequency in presence of a new environmental condition and or factors.
Therefore, with this data, we can see that adaptive alleles can dramatically increase the frequency in a population in response to changes in the environmental conditions.
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What's the answer to this?
Answers
Answer:
the 2nd option
Explanation:
A single piece of wire has been bent to form the perimeter of a square,
with side length of 2 cm. the wire is straightened out and then bent
again to form an arc of a circle of radius 4 cm. the wire just forms the
arc, not the radii. calculate the angle, in radians, that the are subtends
at the centre of the circle
Answers
The angle that subtends at the center of the circle is 2 radians.
The perimeter of a square is
P = 4x
x = side of a square = 2 cmThe length of the wire
P = 4 × 2 cm = 8 cmLength of the wire = 8 cmLength of the arc = 8 cmThe formula for the length of the arc
Lₐ = θr
r = the radius of a circle = 4 cmθ = the angle in radiansLₐ = length of the arcθ = Lₐ ÷ r
θ = 8 ÷ 4
θ = 2 radians
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1.(02.04 LC)
What are the main differences between plant and animal cells? (4 points)
Answers
Answer:
animal cells and plant cells share the common components of a nucleus,cytoplasm,mitochondria,and a cell membrane.
Answer:
Explanation:
Plant cells are more rigid due to the cell wall.
Which of the following best represents the process of aerobic respiration?
A. energy + oxygen → carbon dioxide + water + glucose
B. glucose + oxygen → carbon dioxide + water + energy
C. water + glucose → oxygen + carbon dioxide + energy
D. glucose + carbon dioxide → oxygen + water + energy
E. energy + glucose + oxygen → carbon dioxide + water
Answers
Answer:
B
Explanation:
In aerobic respiration oxygen and glucose are used to make energy
The process that represents aerobic respiration would be the one that combines glucose and oxygen to produce carbon dioxide, water, and energy in the form of ATP.
Aerobic respirationFood materials in the form of carbohydrates are broken down in the presence of oxygen through a variety of chemical reactions.
The resulting products are energy in the form of ATP, carbon dioxide, and water molecules.
The equation for the reaction can be summarized thus: glucose + oxygen → carbon dioxide + water + energy
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a cell has eight chromosomes in g1 of interphase. how many chromosomes will be found in anaphase of mitosis?
Answers
i crosscut my nail with a knife . will it ever heal???